Hancock is a town in Delaware County, New York, United States. The town contains a village, also named Hancock. The town is in the southwest part of the county. The population was 2,764 at the 2020 census. The town is the largest by area in Delaware County. The town borders two other counties, Sullivan County, NY, to the south and Wayne County, PA, to the west. The town is located partially in the Catskill Park.

Delaware County is a county located in the US state of New York. As of the 2020 United States census, the population was 44,308. The county seat is Delhi. The county is named after the Delaware River, which was named in honor of Thomas West, 3rd Baron De La Warr, appointed governor of Virginia in 1609. The county is part of the Southern Tier region of the state.